nILS Posted March 18, 2009 Report Posted March 18, 2009 Arcadechips.com sells the ones that are making Noise, too - at least they did to me. And ordering there takes a while. A _whiiiiiiaaaaaaalll_. ;) Quote
lemonhorse Posted March 18, 2009 Author Report Posted March 18, 2009 HardplAYer: would you be interested in playing YM's off this box ... Hey, a "MIDIbox AY Player" would be great! - But I suppose that would require a complete new firmware concept and much more coding experience from my side. I'm still learning the basics of asm/PIC18F.Is there anyone who wants to start a "MIDIbox AY Player" research project?!? I would like to co-operate ;) Quote
rosch Posted March 18, 2009 Report Posted March 18, 2009 Arcadechips.com sells the ones that are making Noise, too - at least they did to me. And ordering there takes a while. A _whiiiiiiaaaaaaalll_. ;)ok just ordered 2 AY 3 8912 chips there. they also seem to have RAM chips i really need!!! Quote
vedge Posted March 20, 2009 Report Posted March 20, 2009 A little reminder that if you plan on making a protoboard yourself, a AY-3-8910 works fine, and ... so does a YM2149F - if you can find one :) Quote
rosch Posted March 20, 2009 Report Posted March 20, 2009 A little reminder that if you plan on making a protoboard yourself, a AY-3-8910 works fine, and ... so does a YM2149F - if you can find one :)i already have one YM2149F !!! i took it from my old Atari 1040ST (socketed, easy to pull). but i decided to do my first try with the recommended 8912 i just ordered, because i actually couldn't make such a protoboard myself due to lack of knowledge... i wouldn't even know where to start. but i'll safe it for the future when i have more experience. Quote
vedge Posted March 20, 2009 Report Posted March 20, 2009 One of the great advantages of the YM2149 is that you can use a straight 3.57Mhz clock and ground pin 26in order to get 1.79 without a separate clock divider chip.(i have a jumper on my board to do so) Quote
nILS Posted March 21, 2009 Report Posted March 21, 2009 Vedge: That's good thing to do - if you look at the pokey board I have a software controllable clock divider on it, which comes in handy for octave shifting and other fun stuff. The chips are pretty stable at all sorts of different clock speeds. Quote
vedge Posted March 23, 2009 Report Posted March 23, 2009 Hi. yes most chip i know can handle lots of different clocks. (ive tried lots of mix and matching).For my Pokey I now have two IC sockets for a crystal and a 74hc74N (set to /2) and 3 jumpers, so i can fairly experiment easily with combinations Quote
rosch Posted March 27, 2009 Report Posted March 27, 2009 ok just ordered 2 AY 3 8912 chips there. they also seem to have RAM chips i really need!!!they're fast now. i ordered some last week & got them this week on tuesday. and they are the GI originals (but couldn't test them yet)(edit: quote) Quote
lemonhorse Posted April 1, 2009 Author Report Posted April 1, 2009 changes @ V0.06: now you can name, save and load a MIDIBox AY 3 8912 Patch (no bankstick needed (just the eeprom of the pic ;) ))Patch Menu [F1]: * Patchname Valid Keys: [A-Z, 0-9, SPACE KEY = “_†] * With [iNS DEL] or [CLR HOME] key you delete the patch name (but not the patch data) * Menu Item EXECUTE: here you can [W]rite or [L]oad the internal Patch.=> http://www.midibox.org/dokuwiki/doku.php?id=midibox_ay_3_8912 Quote
Serge_D Posted April 29, 2009 Report Posted April 29, 2009 Whether plan support 8bit style "chord arpegios"???It seems to me it was possible to realise for each patch of 8-16 steps arp seq. Quote
lemonhorse Posted April 29, 2009 Author Report Posted April 29, 2009 hi Serge,sorry, there will be no "chord arpegio" feature in the near future.every midibox ay tone [a|b|c] has its own MIDI channel (so there is a conflict).BUT for more complex sound construction i thought it would be attractive to implement a kind of Fx feature:something like this:[MIDI: Note On] || \/ [play the user adjusted tone a|b|c] (this is what the midiox ay already do) || \/ [if Fx Mode is on @ tone a|b|c] (Fx option) \/ play Fx table: Fx tab pos01 [Fx Function: write [x1] to ay chip register [y1] / or do other functions (*)] the time of Fx Pos01 [t1] before execution Fx tab pos02 [Fx Function: write [x2] to ay chip register [y2] / or do other functions] the time of Fx Pos02 [t2] before execution Fx tab pos03 [Fx Function: write [x3] to ay chip register [y3] / or do other functions] the time of Fx Pos03 [t3] before execution ... Fx tab pos32 [Fx Function: write [x32] to ay chip register [y32] / or do other functions] the time of Fx Pos32 [t32] before execution (* goto Fx tab pos xy (Fx loop), end of Fx tab (Fx end)) || \/ [MIDI Note off] i'm in a initial design phase of the midibox ay Fx option (maybe later on there will be a way for realizing a kind of "chord arpegio" this way (don't know yet))best regards,- lemonhorse Quote
Serge_D Posted April 29, 2009 Report Posted April 29, 2009 In ancient tracker on zx spectrum for each patch it was possible to create arp the table, for example:......+01+07+00+05+01+07+00+05....Thus it was possible to simulate chords...As there was a tablet and for loudness, Quote
lemonhorse Posted April 30, 2009 Author Report Posted April 30, 2009 thanks for the input! (i also had a sort of tracker in mind (as a blueprint for the Fx option)).i never had/used a tracker/zx spectrum (but i would like to ;) ). Quote
Serge_D Posted May 3, 2009 Report Posted May 3, 2009 It would be quite good to add CV out (r2r) for management of the external filter.. Quote
SLP Posted May 3, 2009 Report Posted May 3, 2009 It would be quite good to add CV out (r2r) for management of the external filter.. -> AOUT-> AOUT NG-> AOUT LC (Low cost, Resistor network) Quote
Serge_D Posted May 4, 2009 Report Posted May 4, 2009 -> AOUT-> AOUT NG-> AOUT LC (Low cost, Resistor network)I am familiar with these workings out. But it is necessary that AOUT it was supported in the synthesizer program... Quote
lemonhorse Posted July 12, 2009 Author Report Posted July 12, 2009 MIDIBox AY 8912 V0.07 update (PIC 18F452):==> http://www.midibox.org/dokuwiki/doku.php?id=midibox_ay_3_8912 * New: Fx Option => http://www.midibox.org/dokuwiki/doku.php?id=midibox_ay_3_8912_fx * New: CS LEDs => http://www.midibox.org/dokuwiki/doku.php?id=midibox_ay_cs_led- Lemonhorse Quote
lemonhorse Posted August 1, 2009 Author Report Posted August 1, 2009 Update to MIDIBox AY-3-8912 V0.07a [PIC18F452] 25.07.2009:* Fx editing: no annoying jump back to Fx pos. 0 after a NOTE ON MIDI EVENT on LCD* Fixed some bugs @ the Fx functions, etc.Update to MIDIBox AY-3-8912 V0.07b [PIC18F452] 01.08.2009:* Fixed some CC / CS LED / LCD IssuesUpdate to MIDIBox AY-3-8912 V0.07c [PIC18F452] 02.08.2009:* Fixed Fx Issues (fixed Fx Noise Period, more readable 'Fx Names' on LCD)Update to MIDIBox AY-3-8912 V0.07d [PIC18F452] 11.09.2009:* just souce reviewed (sorry, no new features)mbay8912pic18f452v007c.zip @ http://www.midibox.org/dokuwiki/doku.php?id=midibox_ay_3_8912-.-Next To Do:* Bankstick implementation for 127 Patches Quote
nILS Posted October 17, 2009 Report Posted October 17, 2009 I raped the mbAY module a bit today, by hooking it up to the core32 Module and feeding it with the output of a hacked AY emulator. This was the first successful test, it does sound a lot nicer now, but anyways here goes:http://www.schickt.de/temp/mbAY-Player.mp3 Quote
Theta_Frost Posted October 18, 2009 Report Posted October 18, 2009 Huh, that's interesting nILS. I might finally be able to jump on this bandwagon because I got a job! :) Quote
Futureman Posted October 19, 2009 Report Posted October 19, 2009 http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=120481261678&ssPageName=STRK:MEWAX:IT Quote
lemonhorse Posted November 21, 2009 Author Report Posted November 21, 2009 MidiBox AY V1.00 (18F452): http://www.midibox.org/dokuwiki/midibox_ay_3_8912 Bankstick: http://www.midibox.org/dokuwiki/doku.php?id=midibox_ay_patch_menu Quote
analog monster Posted February 28, 2011 Report Posted February 28, 2011 love this project, I am so glad midibox has allowed use of so many chips I've wanted to make music with. I have ordered the two boards for me to work on this after I finish the SID. I am hoping someone can confirm for me, do I have to break up a c64 to get the keyboard or can I get away with using midi only? or is there an alternative controller such as building a matrix keypad interface? Thanks in advance for any advice Quote
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